11307131 has 8 divisors (see below), whose sum is σ = 12359424. Its totient is φ = 10258920.

The previous prime is 11307113. The next prime is 11307133. The reversal of 11307131 is 13170311.

11307131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11307131 - 2⁶ = 11307067 is a prime.

It is a super-2 number, since 2×11307131² = 255702422902322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11307133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10106 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (1544928).

Almost surely, 2^11307131 is an apocalyptic number.

11307131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11307131 is a deficient number, since it is larger than the sum of its proper divisors (1052293).

11307131 is a wasteful number, since it uses less digits than its factorization.

11307131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 11307131 is about 3362.6077677898. The cubic root of 11307131 is about 224.4488965249.

Adding to 11307131 its reverse (13170311), we get a palindrome (24477442).

The spelling of 11307131 in words is "eleven million, three hundred seven thousand, one hundred thirty-one".